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FA2706-BLD

更新时间： 2024-02-17 20:03:34
品牌 Logo 应用领域
线艺 - COILCRAFT 变压器SMPS变压器
页数 文件大小 规格书
1页 177K
描述
SMPS Transformer, 20W, ROHS COMPLIANT

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FA2706-BLD 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active包装说明：ROHS COMPLIANT
Reach Compliance Code：compliantECCN代码：EAR99
风险等级：5.62Is Samacsys：N
其他特性：TURNS RATIO: 6.8:1, HEIGHT DIM INCLUDE TERMINAL ALSO高度：17 mm
最大输入电压：60 V最小输入电压：30 V
长度：20.3 mm安装特点：SURFACE MOUNT
初级绕组数量：3次级绕组数量：3
最大工作频率：250 kHz最高工作温度：125 °C
最低工作温度：-40 °C输出电压 1：3.3 V
包装方法：TAPE & REEL物理尺寸：L20.3XB10.8XH17.0 (mm)
额定功率：20 W初级电感：77.8 µH
表面贴装：YES端子面层：Tin/Silver - Tin - with Nickel barrier
变压器类型：SMPS TRANSFORMER宽度：10.8 mm
Base Number Matches：1

FA2706-BLD 数据手册

  
Document 672  
For STMicroelectronics PM8800  
Flyback Transformers PoE Powered Device Controller  
• Flyback transformers developed for STMicroelectronics  
• Operates at 250 kHz with 30 – 60 V input  
• Versions for 5 V and 3.3 V output in 20 Watt applications  
• 1500 Vrms isolation primary and bias to secondary windings  
Core material Ferrite  
Weight 8.3 – 8.5 g  
Terminations RoHS tin-silver over tin over nickel over phos  
bronze. Other terminations available at additional cost.  
Ambient temperature –40°C to +125°C  
Storage temperature Component: –40°C to +125°C.  
Packaging: –40°C to +80°C  
Resistance to soldering heat Max three 40 second reflows at  
+260°C, parts cooled to room temperature between cycles  
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /  
85% relative humidity)  
Failures in Time (FIT) / Mean Time Between Failures (MTBF)  
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332  
Packaging 200 per 13″ reel Plastic tape: 44 mm wide,  
0.4 mm thick, 24 mm pocket spacing, 11.5 mm pocket depth  
PCB washing Only pure water or alcohol recommended  
Leakage  
DCR max (Ohms)4  
sec drive aux  
Turns ratio6  
pri:sec pri:drive pri:aux  
Part  
L at 0 A2  
L at Ipk3  
inductance5  
max (µH)  
Ipk3  
(A)  
number1  
±10% (µH) min (µH)  
pri  
Output7  
FA2706-BL_  
FA2707-BL_  
77.8  
77.8  
70.0  
70.0  
0.155 0.008 0.215 0.382  
0.155 0.019 0.210 0.380  
1.53  
1.10  
6.80:1  
4.86:1  
4.25:1 2.43: 1  
4.25:1 2.43: 1  
3.0 3.3 V, 6 A  
3.0 5.0 V, 4 A  
1. When ordering, please specify packaging code:  
FA2707-BLD  
4. DCR for the primary and the secondary is with windings connected in  
parallel.  
5. Leakage inductance is for the primary, measured with the secondary  
and drive windings shorted.  
6. Turns ratio is with the primary and the secondary windings connected in  
parallel.  
7. Output of the secondary is with the windings connected in parallel.  
Aux winding output is 10 V; drive winding output is 5.5 V.  
8. Electrical specifications at 25°C.  
Packaging: D = 13″ machine ready reel. EIA-481 embossed plastic  
tape (200 per full reel).  
B = Less than full reel. In tape, but not machine ready. To  
have a leader and trailer added ($25 charge), use  
code letter D instead.  
2. Inductance is for the primary, measured at 250 kHz, 0.2 Vrms.  
3. Peak primary current drawn at minimum input voltage.  
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.  
Dot indicates pin 1  
12  
11  
3
4
1
0.069  
1,75  
1
12  
12  
0.028  
0,70  
Pri  
Sec  
0.685  
17,40  
Recommended  
max  
0.100  
2,54  
0.100  
2,54  
Land Pattern  
9
10  
6
5
7
1
8
6
0.748  
19,0  
0.130  
3,30  
0.699  
17,00  
Aux  
Drive  
2
7
The primary and secondary windings are to  
be connected in parallel on the PC board.  
0.425  
10,80  
max  
0.004 / 0,10  
0.799  
20.30  
inches  
mm  
0.950  
24,13  
max  
Dimensions are in  
Specifications subject to change without notice.  
Please check our website for latest information.  
Document672 Revised10/28/08  
© Coilcraft, Inc. 2009  
1

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